scholarly journals Development of a Dynamic Model and Control System for Load-Following Operation of Supercritical Pulverized Coal Power Plants

2019 ◽  
Author(s):  
Parikshit S Sarda
Processes ◽  
2018 ◽  
Vol 6 (11) ◽  
pp. 226 ◽  
Author(s):  
Parikshit Sarda ◽  
Elijah Hedrick ◽  
Katherine Reynolds ◽  
Debangsu Bhattacharyya ◽  
Stephen E. Zitney ◽  
...  

Traditional energy production plants are increasingly forced to cycle their load and operate under low-load conditions in response to growth in intermittent renewable generation. A plant-wide dynamic model of a supercritical pulverized coal (SCPC) power plant has been developed in the Aspen Plus Dynamics® (APD) software environment and the impact of advanced control strategies on the transient responses of the key variables to load-following operation and disturbances can be studied. Models of various key unit operations, such as the steam turbine, are developed in Aspen Custom Modeler® (ACM) and integrated in the APD environment. A coordinated control system (CCS) is developed above the regulatory control layer. Three control configurations are evaluated for the control of the main steam; the reheat steam temperature is also controlled. For studying servo control performance of the CCS, the load is decreased from 100% to 40% at a ramp rate of 3% load per min. The impact of a disturbance due to a change in the coal feed composition is also studied. The CCS is found to yield satisfactory performance for both servo control and disturbance rejection.


2013 ◽  
pp. 130111083238004 ◽  
Author(s):  
Dong-Wook Lee ◽  
Jong-Soo Bae ◽  
Young-Joo Lee ◽  
Se-Joon Park ◽  
Jai-Chang Hong ◽  
...  

2005 ◽  
Author(s):  
Edward Levy ◽  
Nenad Sarunac ◽  
Harun Bilirgen ◽  
Wei Zhang

2004 ◽  
Author(s):  
Edward K. Levy ◽  
Hugo Caram ◽  
Zheng Yao ◽  
Gu Feng

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